Argiope bruennichi (Scopoli, 1772) - rzadki i słabo zbadany gatunek pająka w Polsce

Barabasz, B.; Górz, Andrzej

doi:10.3161/00159301ff1998.41.20.255

Cited by 6 publications

(2 citation statements)

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“…At this stage of the research, we cannot confirm the hypothesis of a colonization of Polish territory from both the east and west (Urbański 1948;Barabasz & Górz 1998). Analyses of genetic structure indicated similarity between the Polish and Italian populations, and while the Alps are known to have acted as an initial barrier to the possible northward expansion of Mediterranean genetic pools (Bilton et al 1998;Hewitt 1999), the Appenine Peninsula might be a possible source area of invertebrate populations in Central and Northern Europe (Patricelli et al 2013).…”

Section: Discussionmentioning

confidence: 58%

“…During the past decades, populations of the wasp spider have been expanding northwards. In Poland, the first localities appeared in the west (1930s) and in the south-east (1960s), but this species was still rare until the 1990s (Urbański 1948;Barabasz & Górz 1998). In the late 1990s, the number of localities at which the wasp spider increased considerably, and the species was soon present across the whole territory of Poland, except in the north-east where the climate is particularly harsh.…”

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confidence: 99%

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Population structure of the expansive wasp spider (Argiope bruennichi) at the edge of its range

Wawer

Rutkowski

Krehenwinkel

et al. 2017

Journal of Arachnology

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Abstract. The wasp spider Argiope bruennichi (Scopoli, 1772) is of Mediterranean-Pontian origin, but for decades it has been expanding northwards, including into the territory of Poland. Based on well-documented expansion records, we can distinguish ''old'' (south-eastern and south-western) and ''new'' populations (north-eastern), respectively, from the 1930s to the 2000s. In Poland, some populations of A. bruennichi were expected to be more genetically isolated from others, due to distance effects or differential times of arrival. We evaluated whether the oldest populations were in a state of HardyWeinberg equilibrium (HWE), and whether recently founded populations were in an expansion phase. Specimens of A. bruennichi (n ¼ 184) were collected at six localities in Poland and single sampling sites in Italy and Japan. Nine microsatellite loci were amplified although only five were useful in the final analyses. Based on the genotypes obtained, we estimated basic measures of genetic diversity and tested for deviation from HWE. The results showed a low level of polymorphism amongst the investigated markers, and accordingly, we found a low genetic diversity in populations. Only populations from Italy and Japan, and one population from Poland, were in HWE. The level of genetic differentiation among sampling sites from Poland was also very low. The high dispersal ability of the wasp spider appears to have facilitated high gene flow among populations. The peripheral and recently settled populations were characterized by the highest heterozygosity and the lowest inbreeding coefficient (F IS ) . The remaining Polish populations are therefore still in the expansion phase, as indicated by deviations from HWE.

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Section: Discussionmentioning

confidence: 58%

mentioning

confidence: 99%

Population structure of the expansive wasp spider (Argiope bruennichi) at the edge of its range

Wawer

Rutkowski

Krehenwinkel

et al. 2017

Journal of Arachnology

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Climate-related Change in Terrestrial and Freshwater Ecosystems

Smith

Aasa

Ahas

et al. 2008

Assessment of Climate Change for the Baltic Sea Basin

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Spatial Niche Separation on the Periphery Range of Argiope bruennichi and Its Effect With Araneus quadratus (Araneae: Araneidae)

Wawer

Hajdamowicz

2017

Environmental Entomology

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Recent decades have witnessed an intensified expansion of thermophilic organisms from southern into northern Europe. Argiope bruennichi, an orb-weaver spider species, is extending its range relatively fast and gradually becoming a common species in Europe. The aim of this study was to investigate how this relatively newly-come taxon is affecting another orb-weaver spider species and whether it demonstrates features of an invasive species. Interactions were examined between this species and another dominant species with similar body and web size, Araneus quadratus. The study areas were located in two adjacent regions in northeast Poland: the warmer Mazury Lake District and the colder Suwalki Lake District. The areas differed in both population density of the studied species as well as in climatic conditions. Six study sites were selected in each region. In the Mazury Lake District, A. bruennichi was more frequent than A. quadratus; this relationship was reversed in the Suwalki Lake District. We measured the height of the web hub above the ground and the height of the plants to which webs were fixed. Web location height was chosen as an indicator of the interaction. The results indicate that A. quadratus located its webs higher than A. bruennichi, regardless of species abundance and region. A. bruennichi does not exert a significant negative impact on A. quadratus web placement. The two species clearly prefer different heights, which in turn may determine the kind of prey they catch.

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Argiope bruennichi (Scopoli, 1772) - rzadki i słabo zbadany gatunek pająka w Polsce

Abstract: POLSKIEJ AKADEMII NAUKFRAGMENTA

Cited by 6 publications

References 0 publications

Population structure of the expansive wasp spider (Argiope bruennichi) at the edge of its range

Population structure of the expansive wasp spider (Argiope bruennichi) at the edge of its range

Climate-related Change in Terrestrial and Freshwater Ecosystems

Spatial Niche Separation on the Periphery Range of Argiope bruennichi and Its Effect With Araneus quadratus (Araneae: Araneidae)

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